Microphone



FIG. 1 is a top perspective view of a microphone showing our new design;

FIG. 2 is a side elevational view thereof, the other side, top and bottom being identical thereto;

FIG. 3 is a front end elevational view thereof; and,

FIG. 4 is a rear end elevational view thereof.

The broken lines immediately inside the stippled area in FIG. 4 represent the bounds of the claimed design; the region within these broken lines forms no part of our claimed design. 

The ornamental design for a microphone, as shown and described. 